8251848538440 has 64 divisors (see below), whose sum is σ = 26659818360000. Its totient is φ = 2031224255232.

The previous prime is 8251848538429. The next prime is 8251848538457. The reversal of 8251848538440 is 448358481528.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2644821690 + ... + 2644824809.

It is an arithmetic number, because the mean of its divisors is an integer number (416559661875).

Almost surely, 2^{8251848538440} is an apocalyptic number.

It is an amenable number.

8251848538440 is an abundant number, since it is smaller than the sum of its proper divisors (18407969821560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8251848538440 is a wasteful number, since it uses less digits than its factorization.

8251848538440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5289646526 (or 5289646522 counting only the distinct ones).

The product of its (nonzero) digits is 39321600, while the sum is 60.

The spelling of 8251848538440 in words is "eight trillion, two hundred fifty-one billion, eight hundred forty-eight million, five hundred thirty-eight thousand, four hundred forty".